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Major Physics Error


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Poll: Should decreasing Mech weight increase top speed and acceleration? (202 member(s) have cast votes)

Should decreasing Mech weight increase top speed and acceleration?

  1. Yes (97 votes [46.19%] - View)

    Percentage of vote: 46.19%

  2. No (113 votes [53.81%] - View)

    Percentage of vote: 53.81%

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#21 Aym

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Posted 17 February 2013 - 06:05 PM

View PostTheJackofAss, on 17 February 2013 - 05:23 PM, said:

I just noticed a major error with the physics in this game.

If you have a Catapult A1 with a XL 300 engine with the total weight being 65 tons your top speed is 74.8 kph

If you have a Catapult A1 with a XL 300 engine with the total weight being 35 tons your top speed is still 74.8 kph


Why is it that by reducing weight in a Mech the top speed is not being increased? The same amount of power in the engine, everything else equal as well (aerodynamics) except less mass to be carried but the top speed and acceleration stay the same??

Posted Image

#22 Xyroc

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Posted 17 February 2013 - 06:13 PM

View PostCYBRN4CR, on 17 February 2013 - 06:04 PM, said:

Sorry. Unless you didn't include something, your math is off and thus your whole issue is not an issue.

Assuming the names are not important and just looking at engines and tonnage, this is the equation you use.

Engine rating / mech tonnage * 1.5 (for top speed) * 10.8 (for kph)

So...

300 / 65 * 1.5 * 10.8 = 74.8kph

300 / 35 * 1.5 * 10.8 = 138.9kph

And the game proves this.


Hes saying what the game currently does is a constant speed rate change per engine based on chassis not by what it actually weighs

#23 skullman86

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Posted 17 February 2013 - 06:14 PM

Whether or not weight should have an effect depends on how you look at it.

http://en.wikipedia....or_%28device%29

Could be that the engines have certain physical limitations which might make governors kind of useful. Limiting the power output based on tonnage might help prevent engine failure.

#24 Xyroc

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Posted 17 February 2013 - 06:14 PM

View PostAym, on 17 February 2013 - 06:05 PM, said:

Posted Image

Torque is more relevant to acceleration not top speed

Edited by Beliall, 17 February 2013 - 06:15 PM.


#25 Vlad Ward

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Posted 17 February 2013 - 06:16 PM

View PostBeliall, on 17 February 2013 - 06:14 PM, said:

Torque is more relevant to acceleration not top speed


Mechs don't ride on wheels. The impact of torque is going to be different for a bipedal war machine.

Edit: For that matter, there's tons of torque all over the place between the joints and the feet and all the enginey gizmos

Edited by Vlad Ward, 17 February 2013 - 06:17 PM.


#26 RobarGK

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Posted 17 February 2013 - 06:17 PM

The thing is, you're comparing a wheeled vehicle to a walking machine. If you run at a top speed of 15 kph, and I cut your arms off, would you now move at 18kph?

#27 herosson

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Posted 17 February 2013 - 06:18 PM

What I want to know is where do you put the 1400 rockets?

#28 Krazy Kat

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Posted 17 February 2013 - 06:20 PM

Actually, one of the devs said in a post that they could make this change very easily. He also said they could make jump jets have a greater boost for mechs that have less than full tonnage.

#29 Bishop Steiner

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Posted 17 February 2013 - 06:21 PM

View PostTheJackofAss, on 17 February 2013 - 05:23 PM, said:

I just noticed a major error with the physics in this game.

If you have a Catapult A1 with a XL 300 engine with the total weight being 65 tons your top speed is 74.8 kph

If you have a Catapult A1 with a XL 300 engine with the total weight being 35 tons your top speed is still 74.8 kph


Why is it that by reducing weight in a Mech the top speed is not being increased? The same amount of power in the engine, everything else equal as well (aerodynamics) except less mass to be carried but the top speed and acceleration stay the same??

because the actuators and myomers are still set to run as if the mech was at full weight. A Pick up truck that hits it's speed governor of 100 mph at full load out, still hits the same speed limiter with an empty bed. These functions tend to be set artificially low intentionally to avoid damaging them too easily.

Now that same truck will GET to it's top speed more quickly, but since mechs do that in just a few steps anyhow, that seems a minor consideration.

#30 Xyroc

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Posted 17 February 2013 - 06:22 PM

View PostRobarGK, on 17 February 2013 - 06:17 PM, said:

The thing is, you're comparing a wheeled vehicle to a walking machine. If you run at a top speed of 15 kph, and I cut your arms off, would you now move at 18kph?


Well no I wouldnt because I wouldnt be balanced but if you factor in the strength of my legs and if I was able to keep that strength but lose weight yes I would move faster ... LOL thats why people ( myself included ) have trained to run with weights on constantly so your body get used to that weight but after you take it off you feel lighter and move faster than you did even before the weight was added ...

Edited by Beliall, 17 February 2013 - 06:34 PM.


#31 herosson

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Posted 17 February 2013 - 06:27 PM

I'm glad more mechanical engineers don't play this game. :D

You would all realize how ridiculous the physics are in this game.

#32 Lokust Davion

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Posted 17 February 2013 - 06:29 PM

View Postherosson, on 17 February 2013 - 06:18 PM, said:

What I want to know is where do you put the 1400 rockets?


in the legs.


View PostCYBRN4CR, on 17 February 2013 - 06:04 PM, said:


Assuming the names are not important and just looking at engines and tonnage, this is the equation you use.

Engine rating / mech tonnage * 1.5 (for top speed) * 10.8 (for kph)

So...

300 / 65 * 1.5 * 10.8 = 74.8kph

300 / 35 * 1.5 * 10.8 = 138.9kph



A realistic catapult loadout would be something like:

300 / 60 * 1.5 * 10.8 = 81 kph

81 - 74.8 = 6.2 kph difference

you gain 6.2 kph for not maxing out your tonnage (65 max on catapult). Its not bad and its not overpowered either.. I really think they should implement this feature.

#33 CrashieJ

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Posted 17 February 2013 - 06:31 PM

No. because Tonnage = Maximum Safe Load. Because I Have an Atlas, and it can hold 100 Tons of stuff, doesn't mean having 50 tons will effect it. Just like a freaking Forklift.

#34 herosson

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Posted 17 February 2013 - 06:31 PM

Big bottom mechs! :D

#35 Xyroc

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Posted 17 February 2013 - 06:32 PM

View PostBishop Steiner, on 17 February 2013 - 06:21 PM, said:

because the actuators and myomers are still set to run as if the mech was at full weight. A Pick up truck that hits it's speed governor of 100 mph at full load out, still hits the same speed limiter with an empty bed. These functions tend to be set artificially low intentionally to avoid damaging them too easily.

Now that same truck will GET to it's top speed more quickly, but since mechs do that in just a few steps anyhow, that seems a minor consideration.


Sure ... but just saving your loadout to be something of less weight we could say they people installing the components set them to function with the desired weight ... thats all hypothetical ... as why I said if we could just wait for a dev response

#36 herosson

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Posted 17 February 2013 - 06:32 PM

View Postgavilatius, on 17 February 2013 - 06:31 PM, said:

No. because Tonnage = Maximum Safe Load. Because I Have an Atlas, and it can hold 100 Tons of stuff, doesn't mean having 50 tons will effect it. Just like a freaking Forklift.


What is your static(standing) ground pressure at 100 tons?

Edited by herosson, 17 February 2013 - 06:33 PM.


#37 JPsi

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Posted 17 February 2013 - 06:41 PM

View PostVassago Rain, on 17 February 2013 - 05:47 PM, said:


If said atlas doesn't have any guns, who cares?


You mean we can't do all flamers and machine guns?

#38 Mongoose Trueborn

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Posted 17 February 2013 - 06:42 PM

View PostPancakeman, on 17 February 2013 - 05:52 PM, said:

Acceleration would increase as well, not just top speed.


Top speed is not affected by weight, only acceleration. Power and resistance affect top speed.

#39 Aethon

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Posted 17 February 2013 - 06:50 PM

Increase to acceleration/decelleration? I am ok with a slight benefit.

Increase in top speed? Not unless you remove weight (armor, equipment) from the legs.

#40 herosson

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Posted 17 February 2013 - 06:54 PM

View PostMongoose Trueborn, on 17 February 2013 - 06:42 PM, said:


Top speed is not affected by weight, only acceleration. Power and resistance affect top speed.


Top speed is affected by speed, weight and ground pressure and the type of surface that the vehicle is moving over. You should design an armored fighting vehicle then you will know how ridiculously fast these vehicles move over open ground. That said I like me some smashy, shootin robot game. :D





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